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For #1659, #307, add ffmpeg-4.2-fit for rtc

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winlin 2020-03-22 16:34:54 +08:00
parent 634a14bfa6
commit 4308f238c0
690 changed files with 182077 additions and 1 deletions
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50
trunk/3rdparty/ffmpeg-4.2-fit/libavcodec/blockdsp.h vendored Normal file
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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_BLOCKDSP_H
#define AVCODEC_BLOCKDSP_H
#include <stddef.h>
#include <stdint.h>
#include "avcodec.h"
#include "version.h"
/* add and put pixel (decoding)
* Block sizes for op_pixels_func are 8x4,8x8 16x8 16x16.
* h for op_pixels_func is limited to { width / 2, width },
* but never larger than 16 and never smaller than 4. */
typedef void (*op_fill_func)(uint8_t *block /* align width (8 or 16) */,
uint8_t value, ptrdiff_t line_size, int h);
typedef struct BlockDSPContext {
void (*clear_block)(int16_t *block /* align 32 */);
void (*clear_blocks)(int16_t *blocks /* align 32 */);
op_fill_func fill_block_tab[2];
} BlockDSPContext;
void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx);
void ff_blockdsp_init_alpha(BlockDSPContext *c);
void ff_blockdsp_init_arm(BlockDSPContext *c);
void ff_blockdsp_init_ppc(BlockDSPContext *c);
void ff_blockdsp_init_x86(BlockDSPContext *c, AVCodecContext *avctx);
void ff_blockdsp_init_mips(BlockDSPContext *c);
#endif /* AVCODEC_BLOCKDSP_H */